ESP heavy weight meltblown oil only absorbent bonded roll. The roll is made from one layer of meltblown which is sonically bonded together. The bonding makes the roll less linty compared to un-bonded meltblown. Very even structure helps to contribute to its good absorbency capacity. Being the industry standard, its all-round performance is average but it is very versatile. Good value and reliable performance. Made from high quality polypropylene. An economical choice for everyday oil only situations. Excellent go to product for lighter duty outdoor oil only tasks. Because this product is oil only, outdoor use is recommended. Fire retardant as per ASTM 726. Ensure that disposal of these sorbents complies with all local, state and federal regulations. Compliance: 29 CFR 1910.120(j)(1)(vii) and 29 CFR 1910.22(a)(2). Basis weight: 286 gsm. Absorbency: 38 gallons oil. Base fiber: polypropylene.